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D4657 — D4657

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

D4657: D4657.

The D4657 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 2825-00-175-8704, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
D4657
NSN: 2825-00-175-8704
NIINs: 001758704, 012165873
FSC: 2825 — Steam Turbines and Components
CAGE: 14579 — TUTHILL CORPORATION DIV COPPUS PORTABLE VENTILATION DIVISION (USA)
SPECIFICATIONS
Part NumberD4657
NSN2825-00-175-8704
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available D4657 TITLE COMPONENT PN D4657 MFR D4657
SUBSTITUTES & CROSS-REFERENCES 9
LISTBB0002PC878Reference document
Same NSN cross-reference
Reference document — Secondary reference
878D4657-9Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
5-404657-0Reference document
Same NSN cross-reference
Reference document — Secondary reference
S54PC878Reference document
Same NSN cross-reference
Reference document — Secondary reference
878D4657-11Reference document
Same NSN cross-reference
Reference document — Secondary reference
B2349PC878Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D4657?
D4657 is a D4657.
What parts can replace D4657?
There are 9 known substitutes for D4657: LISTBB0002PC878, 878D4657-9, 5-404657-0 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D4657?
D4657 is cataloged in the U.S. Government catalog under NSN 2825-00-175-8704. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.